Respuesta :

Answer:

A=81, B=91.7, C= 76.15

Step-by-step explanation:

A= (82*.15)+(85*.15)+(78*.25)+(75*.15)+(84*.30)

B= (92*.15)+ (88*.15)+(95*.25)+(85*.15)+(94*.30)

C= (74*.15)+ (68*.15)+ (73*.25)+ (82*.15)+ (81*.30)

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